diff options
Diffstat (limited to 'gcc/c-family')
| -rw-r--r-- | gcc/c-family/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/c-family/c-cppbuiltin.c | 48 |
2 files changed, 54 insertions, 0 deletions
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog index b3a71312ad6..fef201b799b 100644 --- a/gcc/c-family/ChangeLog +++ b/gcc/c-family/ChangeLog @@ -1,3 +1,9 @@ +2014-10-01 Edward Smith-Rowland <3dw4rd@verizon.net> + + Implement SD-6: SG10 Feature Test Recommendations + * c-cppbuiltin.c (c_cpp_builtins()): Define language feature + macros and the __has_header macro. + 2014-09-30 Jason Merrill <jason@redhat.com> * c-common.h (enum rid): Add RID_IS_TRIVIALLY_ASSIGNABLE and diff --git a/gcc/c-family/c-cppbuiltin.c b/gcc/c-family/c-cppbuiltin.c index 6748db435ed..b6ac0b0341c 100644 --- a/gcc/c-family/c-cppbuiltin.c +++ b/gcc/c-family/c-cppbuiltin.c @@ -787,18 +787,66 @@ c_cpp_builtins (cpp_reader *pfile) /* For stddef.h. They require macros defined in c-common.c. */ c_stddef_cpp_builtins (); + /* Set include test macros for all C/C++ (not for just C++11 etc.) + the builtins __has_include__ and __has_include_next__ are defined + in libcpp. */ + cpp_define (pfile, "__has_include(STR)=__has_include__(STR)"); + cpp_define (pfile, "__has_include_next(STR)=__has_include_next__(STR)"); + if (c_dialect_cxx ()) { if (flag_weak && SUPPORTS_ONE_ONLY) cpp_define (pfile, "__GXX_WEAK__=1"); else cpp_define (pfile, "__GXX_WEAK__=0"); + if (warn_deprecated) cpp_define (pfile, "__DEPRECATED"); + if (flag_rtti) cpp_define (pfile, "__GXX_RTTI"); + if (cxx_dialect >= cxx11) cpp_define (pfile, "__GXX_EXPERIMENTAL_CXX0X__"); + + /* Binary literals have been allowed in g++ before C++11 + and were standardized for C++14. */ + if (!pedantic || cxx_dialect > cxx11) + cpp_define (pfile, "__cpp_binary_literals=201304"); + if (cxx_dialect >= cxx11) + { + /* Set feature test macros for C++11 */ + cpp_define (pfile, "__cpp_unicode_characters=200704"); + cpp_define (pfile, "__cpp_raw_strings=200710"); + cpp_define (pfile, "__cpp_unicode_literals=200710"); + cpp_define (pfile, "__cpp_user_defined_literals=200809"); + cpp_define (pfile, "__cpp_lambdas=200907"); + cpp_define (pfile, "__cpp_constexpr=200704"); + cpp_define (pfile, "__cpp_static_assert=200410"); + cpp_define (pfile, "__cpp_decltype=200707"); + cpp_define (pfile, "__cpp_attributes=200809"); + cpp_define (pfile, "__cpp_rvalue_reference=200610"); + cpp_define (pfile, "__cpp_variadic_templates=200704"); + cpp_define (pfile, "__cpp_alias_templates=200704"); + } + if (cxx_dialect > cxx11) + { + /* Set feature test macros for C++14 */ + cpp_define (pfile, "__cpp_return_type_deduction=201304"); + cpp_define (pfile, "__cpp_init_captures=201304"); + cpp_define (pfile, "__cpp_generic_lambdas=201304"); + //cpp_undef (pfile, "__cpp_constexpr"); + //cpp_define (pfile, "__cpp_constexpr=201304"); + cpp_define (pfile, "__cpp_decltype_auto=201304"); + //cpp_define (pfile, "__cpp_aggregate_nsdmi=201304"); + cpp_define (pfile, "__cpp_variable_templates=201304"); + cpp_define (pfile, "__cpp_digit_separators=201309"); + cpp_define (pfile, "__cpp_attribute_deprecated=201309"); + //cpp_define (pfile, "__cpp_sized_deallocation=201309"); + /* We'll have to see where runtime arrays wind up. + Let's put it in C++14 for now. */ + cpp_define (pfile, "__cpp_runtime_arrays=201304"); + } } /* Note that we define this for C as well, so that we know if __attribute__((cleanup)) will interface with EH. */ |